James p



N0. 855A94. PATENTED JUNE 4, 1907.

J. B. APPLEBY, ELECTRICAL SWITCH.

APPLICATION FILED APR.3,1905.

a J6. I Maw a removed, showing the iniproyedlswitch, and

, illustrating difiei'ent, pos tion's'. of the parts; 7

- The numeral The numerals 2, '3;and4.indieate metallic contacts secured on the face ofthe block .1-',

wires 2!,- wand-4 -To (ti -whom;- it'ntafyc'oncefnh 3 Be it known that 1, JAMES APP EBY, e gitizen ;efthe UpitedStetes, resld at Hep kins,"in-thje'co1 1: 1,ty"of Hennepin en State of Mnnei's'o'ta,' heve invented eertaln new and;

. useful Improvement in Electrical Switches and, I dolhereby declare the following to bee 'jliltion ofthe inven ers'skilled in the -'a. r't to which it appertain's "to make- 51nd use; theseme.

' My invention hasforvitsobject toprovide .--e .n' improved lock etteehmentlfor-the switch of electric'i 'ting ap aratus', such as'used- ,utomob lles,flleune es, and eleewhere in connection withex loeiveen'ginee. '1To the abeyeen e, the-mventmn-conslsts U of the novel devices and combinations of de -'i Yam - eml'feetures oi-my invention. Fig-,2 is a,

ide elevation of -the'lperts' shown-in Fig. 1, shlowing also, by dettedilines", .a; key applied" fin'ceshereinafter describedend defined in. thiicleilrlne, 'Ifi t h, 1 n .t e-aceo, puny-i ewings w c ike ha e s n -f I Flgure 1 'is'e, View infrontelevetfon, show? ing a swjteh in which is'ineo'rporeted the se vm" working pos1tion; and Fi s13 and tape iews ifl'frbhtelevation, the lock case '1 'i n i te h block of leting'meterieL-whichforms 'ax'su ort for: the several p-erts of 'theswi tch' je'n 'o'ok etand :fo'rnnfng' terminal ,res'p'eetively: of' le'ed a AS shown, the contact 2 is lochted 'neai" the top. ofthe block while the oop'teetSBIand 4am lqcated ear the bot-; tomlther'eo'fi' tions: takenwith 'respect .to the bloeki' et iii thepos'ition-showfi ,in the-drawings, Fo'r'the purposes of illus-- tuition "it Should be assumed that a. set. of

: dryfcells orbatterieeare connected in circuit the leedsjil' and 3, that a ma'gaieto-or piv ted .at. 5 ,on Ia trunnion located, es shown, Ia. pgoximately at the jeegter of the block 1-, wit freedom for:

v o. 1; AFPFLEBY," OF HOPKINS,

{with the; electrodes of the with, thetelectfodee-ot'the igiiten' 'F'ever the switch leve'f 5' it t the di'rection "of-v mm' me r teeted Jupe 4, 1907.

I I movement ei thei; w ithfthe me r: 1 fl 11' f t pee and it:- is preferably providedetits 'e tl w 'flfing f-P w 7 Av e-05m "te ter.

and qf i te nwtoitsi'pivot d 111,,{th

lever-'5 is'provided with ptojectiiiglu'gs' 8 is evident the other hend;-When 'seid'lejvei'.

heeon The-lock may of any Nimble f n e" y th tuhbl h ycase section 10 thereof-onlyere shqwn case section 10-h; ri'gi seoured 1.-, preferebly b sorewsil l 'c'onceel'edin 't e beck Gf-th v "T e ,viepr'ovid'ed with a laterally *p lug l4, that works ineslOtJ-io inentwith ohefof the can't-a," its lugs 8, acti1 ig on one of positively force-{the eontec gegem'ent with the contect v v the cite-hit *through Oli rot two-sources of'electriel' ener When, however fthe lock. key 1'2',-tu1 -ne.dj mto' the" p .F 3,1 the-cenmc p111- "engagement with, the

. v Wi t? 371 91.:- oets 17,= actin on-the lugs 80,1 glove! 5, once the saideirerint'oan intfl fm d ate -in-- operative -p0Bi,ti. nd P j it TQ f Wk th V 1? same in such'inoperetive position so the amount of force 'appliedzfl) seidlevexiiwill serve to move it from such in 'pei'etive .tion, orto move the contactplate l fiihtp gagemen't with the contect 2'. The loekiiig of the contact plate 16 when the tumbleii 9 and cam lug 14 are turned into the'positihq" due to the factethat, any

shotv'n f resisted with a direct end thrust I 3: said cam lug. @QhllfiiWiSfiSiifi-litid the said 5 tumbler and cam hi" can be mavea from the position shown'in i 3 into theposiition v shown 1n.F1g. -only' y the use of the key'f .angl goani not ,be given such movements by ford'a pplfed thereto b'y-an attefiipt to move to the svvitch lever5 while the said canf is-in-th'e "said p0 ion shown in Fig. 3. The lock gi that art cannot? *be; tampered with,

Wrrerideriixg'itlinipossibleito shit the en-; I gm ,It'isal's'ccevide'nt thatthe switch lever e docking movement of thea "into 'itsirioPerit'rstea sition .Thisfe'ature target! to. ete'tniihed' normal pos tion; 'Hfififim'lfii liof (course be understood that c a'm not be removed from the lock 4 3'83 whemthe ,tiu m. jer'isatiirned into the :p'o'siti on' 59W. nzli'igfikdfthejglrawings. tiz'llmmwlrat has said," it will be under- -tb c l .d:$l istft3ie ileficexlescr-i-bed is capable of mqjdificatjiini-within :the.; sco' e ofiny. inven- "amerein set :forth am claimed. 'lh'e oemay'uofnurse;'be'applied-toan'elec tgiarig l ita; "aving but a single circuit-and a siiigleasofime olfielectrioal'energy What Ic'laim and rl'esi'reto seen-re by. Leta e: binationavith leads having" terminal. write-eta; 10E a sv'g'itch lever and a sliding c'onlooked iinanoperative pohiijfthetumbler of the lock. is

fha 'nig -cngaging parts cobra erati vely arranged toclose and break the circuit' 'betufeen said oontacts and a Prey-operated lock having a tumbler arranged to move said slidingplate into an-inoperative-or circuit breakmgposition, and tojloek the same in such osition, and which contact plate, in tum, operates on said switch lever, to force the same intcan inoperative positio and to lock thes,anie,.substantially as descri ed.

the combination with'leads having terminal contacts, of a pivoted 'switchlevei" andsliding contact Dlate cooperatively arranged" to closeandb'reak the circuit between said-con tacts, said-lever having laterallvprojecting lugs,'and said plate havingcooperkiting lug engaging projections operating,-when said sition, to force said-lever into an'ino f-jera-tive position, and a key-operated ock having a tumbler formed with a projecting tion, and-to lock the same, and'saidlever, substantially'as described.

to said block and mqyable into-engagement with said contacts 3 and 4, and having laterall projecting lugs '8, thesliding" contact and out of'cngagcrnentwith said contact 2, and rovideil with pro'ectionsyl-7 acting on. said ugs'8, to force sai lever5 into 'an inter- 1 mediate inoperative position,-"and whey-op erated lock-havii ".a tumbler 9' fomi'ed with a cam lug 14 wor ng in a seat 15 of said contact plate-16, and operating thereon to-force said contactplate into a circuit-breaking positiomaml to lock ,the'sa'mc, and sald'lever, substantially asclcsorilmdp Tn testimmfy whereof I aliix my signature in presenceof two wi-ti'iesses. H a r a JAMES P; APlliEB-Y.

\'Vitncsses:

.ltmmwr C. MABEY, l.-l).' Kiaomm;

plate is movedain't'o a circuit-breaking pm 3.. In a device ofthe character described; the combination with' an insulating block.- and three learl'wires-havi-ng terminal mm:

tacts .2, 3', amt-4; of a switch lever '5 pivoted" In a device of the character described,

earn lug-operating on said contact plate,' to force the same into a circuit-breaking posiplate' 1 6 niounted in said block, movahlein to 

